The London T100 Triathlon is a flagship event on the global triathlon calendar, offering two race distances: the signature T100 (2 km swim, 80 km bike, 18 km run) and a Sprint distance designed for developing athletes and newcomers to the sport. Taking place in the heart of the UK capital, the race showcases a unique and fast-paced course through central London, featuring iconic landmarks and closed city streets. As part of the prestigious T100 Triathlon World Tour, the event attracts elite professional triathletes from around the world alongside passionate amateur competitors. With its combination of world-class competition, urban energy, and enthusiastic spectators, the London T100 delivers a thrilling and unforgettable race experience. Whether you’re chasing a podium finish or embracing your first multisport challenge, this event offers something for every level of athlete.
Races
18k
10k
10k
5k
5k
Race Date:
10 August, 2025
The 100 km individual race features a 2 km swim in the Royal Victoria Dock, an 80 km bike course through central London past iconic landmarks, and an 18 km run along the scenic docklands, providing a unique urban triathlon experience.
Race Date:
10 August, 2025
The Olympic distance individual triathlon includes a 1.5 km swim, a 40 km bike ride through the city, and a 10 km run, offering participants a chance to race on a fast, flat course in the heart of London.
Race Date:
10 August, 2025
In the Olympic team relay, teams of three each complete one segment—a 1.5 km swim, 40 km bike, or 10 km run—fostering teamwork and allowing athletes to specialize in their strongest discipline.
Race Date:
09 August, 2025
The sprint individual triathlon comprises a 750 m swim, a 20 km bike ride around the Docklands area, and a 5 km run, making it ideal for those seeking a shorter, high-intensity race.
Race Date:
09 August, 2025
The sprint team relay allows teams of three to tackle the 750 m swim, 20 km bike, and 5 km run, promoting camaraderie and shared achievement in a dynamic race format.
Weather based on historical averages.
FAQs
What is the London T100 Triathlon - 100km - Individual?
How long is the London T100 Triathlon - 100km - Individual?
Where does the London T100 Triathlon - 100km - Individual take place?
What is the elevation gain of the London T100 Triathlon - 100km - Individual?
How can I prepare for the London T100 Triathlon - 100km - Individual?
How do I choose the right training plan for the London T100 Triathlon - 100km - Individual?
The 100 km individual race features a 2 km swim in the Royal Victoria Dock, an 80 km bike course through central London past iconic landmarks, and an 18 km run along the scenic docklands, providing a unique urban triathlon experience.
The London T100 Triathlon - 100km - Individual is 18km long.
The London T100 Triathlon - 100km - Individual takes place in London, UK.
Runna classifies the London T100 Triathlon - 100km - Individual elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - 100km - Individual?
The 100 km individual race features a 2 km swim in the Royal Victoria Dock, an 80 km bike course through central London past iconic landmarks, and an 18 km run along the scenic docklands, providing a unique urban triathlon experience.
How long is the London T100 Triathlon - 100km - Individual?
The London T100 Triathlon - 100km - Individual is 18km long.
Where does the London T100 Triathlon - 100km - Individual take place?
The London T100 Triathlon - 100km - Individual takes place in London, UK.
What is the elevation gain of the London T100 Triathlon - 100km - Individual?
Runna classifies the London T100 Triathlon - 100km - Individual elevation profile as Flat.
How can I prepare for the London T100 Triathlon - 100km - Individual?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the London T100 Triathlon - 100km - Individual?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Olympic - Individual?
How long is the London T100 Triathlon - Olympic - Individual?
Where does the London T100 Triathlon - Olympic - Individual take place?
What is the elevation gain of the London T100 Triathlon - Olympic - Individual?
How can I prepare for the London T100 Triathlon - Olympic - Individual?
How do I choose the right training plan for the London T100 Triathlon - Olympic - Individual?
The Olympic distance individual triathlon includes a 1.5 km swim, a 40 km bike ride through the city, and a 10 km run, offering participants a chance to race on a fast, flat course in the heart of London.
The London T100 Triathlon - Olympic - Individual is 10km long.
The London T100 Triathlon - Olympic - Individual takes place in London, UK.
Runna classifies the London T100 Triathlon - Olympic - Individual elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Olympic - Individual?
The Olympic distance individual triathlon includes a 1.5 km swim, a 40 km bike ride through the city, and a 10 km run, offering participants a chance to race on a fast, flat course in the heart of London.
How long is the London T100 Triathlon - Olympic - Individual?
The London T100 Triathlon - Olympic - Individual is 10km long.
Where does the London T100 Triathlon - Olympic - Individual take place?
The London T100 Triathlon - Olympic - Individual takes place in London, UK.
What is the elevation gain of the London T100 Triathlon - Olympic - Individual?
Runna classifies the London T100 Triathlon - Olympic - Individual elevation profile as Flat.
How can I prepare for the London T100 Triathlon - Olympic - Individual?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the London T100 Triathlon - Olympic - Individual?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Olympic - Team Relay?
How long is the London T100 Triathlon - Olympic - Team Relay?
Where does the London T100 Triathlon - Olympic - Team Relay take place?
What is the elevation gain of the London T100 Triathlon - Olympic - Team Relay?
How can I prepare for the London T100 Triathlon - Olympic - Team Relay?
How do I choose the right training plan for the London T100 Triathlon - Olympic - Team Relay?
In the Olympic team relay, teams of three each complete one segment—a 1.5 km swim, 40 km bike, or 10 km run—fostering teamwork and allowing athletes to specialize in their strongest discipline.
The London T100 Triathlon - Olympic - Team Relay is 10km long.
The London T100 Triathlon - Olympic - Team Relay takes place in London, UK.
Runna classifies the London T100 Triathlon - Olympic - Team Relay elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Olympic - Team Relay?
In the Olympic team relay, teams of three each complete one segment—a 1.5 km swim, 40 km bike, or 10 km run—fostering teamwork and allowing athletes to specialize in their strongest discipline.
How long is the London T100 Triathlon - Olympic - Team Relay?
The London T100 Triathlon - Olympic - Team Relay is 10km long.
Where does the London T100 Triathlon - Olympic - Team Relay take place?
The London T100 Triathlon - Olympic - Team Relay takes place in London, UK.
What is the elevation gain of the London T100 Triathlon - Olympic - Team Relay?
Runna classifies the London T100 Triathlon - Olympic - Team Relay elevation profile as Flat.
How can I prepare for the London T100 Triathlon - Olympic - Team Relay?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the London T100 Triathlon - Olympic - Team Relay?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Sprint - Individual?
How long is the London T100 Triathlon - Sprint - Individual?
Where does the London T100 Triathlon - Sprint - Individual take place?
What is the elevation gain of the London T100 Triathlon - Sprint - Individual?
How can I prepare for the London T100 Triathlon - Sprint - Individual?
How do I choose the right training plan for the London T100 Triathlon - Sprint - Individual?
The sprint individual triathlon comprises a 750 m swim, a 20 km bike ride around the Docklands area, and a 5 km run, making it ideal for those seeking a shorter, high-intensity race.
The London T100 Triathlon - Sprint - Individual is 5km long.
The London T100 Triathlon - Sprint - Individual takes place in London, UK.
Runna classifies the London T100 Triathlon - Sprint - Individual elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Sprint - Individual?
The sprint individual triathlon comprises a 750 m swim, a 20 km bike ride around the Docklands area, and a 5 km run, making it ideal for those seeking a shorter, high-intensity race.
How long is the London T100 Triathlon - Sprint - Individual?
The London T100 Triathlon - Sprint - Individual is 5km long.
Where does the London T100 Triathlon - Sprint - Individual take place?
The London T100 Triathlon - Sprint - Individual takes place in London, UK.
What is the elevation gain of the London T100 Triathlon - Sprint - Individual?
Runna classifies the London T100 Triathlon - Sprint - Individual elevation profile as Flat.
How can I prepare for the London T100 Triathlon - Sprint - Individual?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the London T100 Triathlon - Sprint - Individual?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Sprint - Team Relay?
How long is the London T100 Triathlon - Sprint - Team Relay?
Where does the London T100 Triathlon - Sprint - Team Relay take place?
What is the elevation gain of the London T100 Triathlon - Sprint - Team Relay?
How can I prepare for the London T100 Triathlon - Sprint - Team Relay?
How do I choose the right training plan for the London T100 Triathlon - Sprint - Team Relay?
The sprint team relay allows teams of three to tackle the 750 m swim, 20 km bike, and 5 km run, promoting camaraderie and shared achievement in a dynamic race format.
The London T100 Triathlon - Sprint - Team Relay is 5km long.
The London T100 Triathlon - Sprint - Team Relay takes place in London, UK.
Runna classifies the London T100 Triathlon - Sprint - Team Relay elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the London T100 Triathlon - Sprint - Team Relay?
The sprint team relay allows teams of three to tackle the 750 m swim, 20 km bike, and 5 km run, promoting camaraderie and shared achievement in a dynamic race format.
How long is the London T100 Triathlon - Sprint - Team Relay?
The London T100 Triathlon - Sprint - Team Relay is 5km long.
Where does the London T100 Triathlon - Sprint - Team Relay take place?
The London T100 Triathlon - Sprint - Team Relay takes place in London, UK.
What is the elevation gain of the London T100 Triathlon - Sprint - Team Relay?
Runna classifies the London T100 Triathlon - Sprint - Team Relay elevation profile as Flat.
How can I prepare for the London T100 Triathlon - Sprint - Team Relay?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the London T100 Triathlon - Sprint - Team Relay?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Triathlon
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by London T100 Triathlon or PTO Commercial Ltd. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the London T100 Triathlon website.
